KGBAL Group Ningbo Shuguang Electromechanical Manufacturing Co., Ltd. PTFE project won the second prize of "China Machinery Industry Science and Technology Award"

KGBAL Group Ningbo Shuguang Electromechanical Manufacturing Co., Ltd. PTFE project won the second prize of "China Machinery Industry Science and Technology Award"

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KGBAL Group Ningbo Shuguang Electromechanical Manufacturing Co., Ltd. PTFE project won the second prize of "China Machinery Industry Science and Technology Award"

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KGBAL Group Ningbo Shuguang Electromechanical Manufacturing Co., Ltd. PTFE project won the second prize of "China Machinery Industry Science and Technology Award"

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  • Time of issue:2021-12-30 17:10

(Summary description)Recently, it was learned that the project "Research and Application of Key Technology of High-Performance PTFE Fiber Woven Backing Self-lubricating Spherical Bearings" jointly developed by KGBAL Group Shuguang Electromechanical Manufacturing Co., Ltd. and Henan University of Science and Technology won the second prize of "China Machinery Industry Science and Technology Award".

KGBAL Group Ningbo Shuguang Electromechanical Manufacturing Co., Ltd. PTFE project won the second prize of "China Machinery Industry Science and Technology Award"

(Summary description)Recently, it was learned that the project "Research and Application of Key Technology of High-Performance PTFE Fiber Woven Backing Self-lubricating Spherical Bearings" jointly developed by KGBAL Group Shuguang Electromechanical Manufacturing Co., Ltd. and Henan University of Science and Technology won the second prize of "China Machinery Industry Science and Technology Award".

  • Categories:KGBALnews
  • Author:
  • Origin:
  • Time of issue:2021-12-30 17:10
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Recently, it was learned that the project "Research and Application of Key Technology of High-Performance PTFE Fiber Woven Backing Self-lubricating Spherical Bearings" jointly developed by KGBAL Group Shuguang Electromechanical Manufacturing Co., Ltd. and Henan University of Science and Technology won the second prize of "China Machinery Industry Science and Technology Award".

The excerpt is as follows:

With the continuous deepening and expansion of the application of high-performance fiber backing self-lubricating spherical plain bearings in aerospace, high-speed transportation, military equipment and other fields, the failure phenomenon of various abnormal working conditions is increasing, especially the bearing wear failure is the most obvious, which is the most important for high-end mainframes. destructive, which in turn leads to huge economic losses. Therefore, the bottleneck technology that restricts the quality improvement of domestic high-performance fiber liner self-lubricating spherical plain bearings needs to be solved urgently.
PTFE fiber braided backing self-lubricating spherical plain bearing has the characteristics of low noise, no oil pollution, low friction coefficient and environmental protection. Therefore, through the research on key technologies such as the structural design, bonding process optimization and performance evaluation of this type of spherical plain bearing, the purpose of improving the service life and reliability of the spherical plain bearing is achieved, thereby improving the technical level of related high-end equipment. The main innovations are as follows:
1) The evaluation parameter to quantitatively describe the bonding quality of PTFE fiber liner spherical plain bearings, namely surface peel strength, solves the technical problem that my country relies heavily on engineering experience to qualitatively determine the bonding quality of spherical plain bearings, and realizes the objective of product quality. Evaluation.
2) Developed a pretreatment bonding method for PTFE fiber lined spherical plain bearings, which can increase the bonding strength by 47%, meet or exceed the performance indicators of similar foreign products, and break the foreign technology monopoly.
3) A method for evaluating the tribological properties of self-lubricating spherical plain bearings was creatively proposed. The research results have been declared for 1 national invention patent, which is currently in the stage of actual examination and publicity.
4) Independently developed a friction and wear testing machine for compound swing joint bearing. This function can simultaneously realize the friction and wear performance detection under the condition of tilting and rotating compound swing, breaking through the limitation of the existing single swing direction detection. This achievement has authorized 1 utility model patent and published 1 national invention patent. At the same time, a swing device for high-frequency and high-torque spherical plain bearings was independently developed, which made the swing frequency of the testing machine break through the serious domestic defect of only 1Hz, and greatly expanded the scope of performance testing. This achievement has been authorized as a national utility model patent 1 item.
5) For the first time, the primary and secondary relationship of the factors affecting the tribological properties of the fiber woven pad joint bearing is proposed, which provides a technical means for optimizing the selection of the bonding process. This method can significantly improve the product quality.
6) The correlation between the bond quality and the dynamic performance of the spherical plain bearing is revealed, that is, when the bond strength of the bearing is increased by 47%, the dynamic friction coefficient can be reduced by 17%, and the wear life can be prolonged by more than 20%.
The research results have been applied in Ningbo Shuguang Electromechanical Manufacturing Co., Ltd., which has improved the performance of the company's PTFE fiber woven pad self-lubricating spherical plain bearing products. Related products have been applied: ①Applied to Shanghai maglev track beam vibration damping bearing in batches; ②Applied to German Mercedes-Benz heavy-duty truck hydraulic suspension and variable suspension in bulk; ③Successfully applied to German Porsche racing active suspension in the system. In addition, the research results can also be applied in the fields of aerospace, heavy machinery and military equipment, which have a significant role in promoting the scientific and technological progress of the machinery industry. The direct economic benefits obtained in the past three years have accumulated to 23.8 million yuan, and the foreign exchange income has reached 5.64 million US dollars. In the past five years, the indirect economic benefits obtained are even more significant, reaching 900 million yuan.

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